A If the auxin concentration in A is 46 units and the auxin concentration in B is 33 units then the auxin concentration is C is units

Q: The reason for a plant bending towards the light is due to - Select one: O None of the choices is…

A: According to the question, we have to find out the reason for a plant bending towards the light. So,…

Q: The chemical substance involved in growth inhibiting activities, is АВА Auxin Gibberellin Ethylene

A: Plants are multicellular and mostly green colored organisms belonging to kingdom Plantae. They…

Q: This is a picture of the initial experiments to figure out how auxin and phototropism worked. How do…

A: Auxins are a family of plant hormones. An example of a specific auxin is IAA, which is known as…

Q: The hormone that helps plants respond to drought is (A) auxin. (B) abscisic acid. (C) cytokinin. (D)…

A: Small organic compounds which are active in low concentrations and promote/inhibit growth and…

Q: Gaseous hormones are able to enter cells without requiring specialmembrane transporter. Which of the…

A: Plant hormones are some chemical compounds that are present in very low amount in plant body.  They…

Q: Choose the best answer for following question It causes leaf abscission. a. auxin…

A: The abscission process takes place as three events- resorption, protective layer formation and…

Q: Auxin enhances cell elongation in all of these ways except(A) increased uptake of solutes.(B) gene…

A: Plant hormones are the molecules produced by the plants which help in the growth and development of…

Q: Which combination of hormones is best for promotingthe formation of lateral roots from pericycle?a.…

A: In root and shoot formation of plant, auxin play a very important role. Internal and external…

Q: Choose the best answer for following question It inhibits plant senescence. a. auxin…

A: Cytokinin is a category of plant growth substances which stimulate cell division, or cytokinesis, in…

Q: An animal pollinator may be rewarded by______ when it visits a flower of a coevolved plant (choose…

A: Introduction :- A pollinator is anything that helps carry pollen from the male part of the flower…

Q: Please describe the peripheral zone (PZ) genetic program maintains indeterminacy and allows the…

A: As per the honor code, we answer only one question at a time. Therefore, we are answering the first…

Q: Auxin is synthesized in light but stored in the dark Select one: O True O False

A: Local auxin biosynthesis via light-excited flavin compounds in the presence of tryptophan in plant…

Q: Match the hormone with the description. ___ ethylene                 a. efflux carriers set up…

A: nitric oxide - active in bursts cytokinin - works antagonistically to auxin in apical dominance…

Q: Which of the following helps plants during high temperature and water deficit Select one: O ethylene…

A: Introduction Plant hormones or phytohormones are plant growth regulators that are simple molecules…

Q: 1. Describe a horm 6. What is the fun 9. Dormant seeds 10. An increase in th 11. Found in natura 11.…

A: These are definition questions.

Q: Describe an experiment you will use to determine the effect of GA and auxins on a crop of your…

A: plant responses to environmental stimuli are usually affected by interaction among several different…

Q: Which of the following statements about phototropism is/are not true? A. Red light is the most…

A: Phototropism is the growth of the plants or cell elongation towards the blue light in response to…

Q: A E If the auxin concentration in A is 46 units and the auxin concentration in B is 33 units then…

A: Plants respond to stimuli by producing chemical compounds called hormones that work as messengers.…

Q: Choose the best answer for following question It is present in a gaseous form. a. auxin…

A: Introduction  Plant Hormone is also known as Phytohormones. They are the signaling molecules…

Q: Spraying a plant with which of the following will increase axillary bud growth? Strigolactone…

A: Plant hormones can be referred to as crucial biochemicals that influence plant development and crop…

Q: c. This gene is a major player for controlling floral meristem identity. (A) LEAFY (B) TERMINAL…

A: Genes play a very important role in the differentiation of flower parts. Arabidopsis thaliana is a…

Q: Certain mutations in common wall cress (Arabidopsisthaliana) cause excess auxin production. Predict…

A: Plants generate molecules called phytohormones, which control several aspects of their lives,…

Q: Greenhouse-grown tomato seedlings are often brushed by hand to simulate wind. This causes seedlings…

A: Plant hormones are also termed as phytohormones and these are the organic substances which helps in…

Q: Auxin in the cytoplasm is in the [ Select ] form. It exits through the membrane through [ Select ]…

A: Auxin in the cytoplasm is in the charge form. It exits through the membrane through cotransporters.…

Q: What happens when a stem is positively tropic to a certain stimulus? a. Auxins will respond by…

A: There are basically two main types of tropisms as follows: Positive tropisms - in this case the…

Q: To explain: The impact on the phenotype of common wall cress (Arabidopsis thaliana) as a result of a…

A: Mutation is a permanent change in some nucleotide sequences in an organism's DNA that can cause…

Q: This is a picture of the initial experiments to figure out how auxin and phototropism worked. How do…

A: Auxin is a plant hormone which functions in stem elongation .It shows apical dominance and inhibits…

Q: Drying and aging seeds is a way to enhance seed viability and germination and at the same time to…

A: Introduction  The viability of a seed accession is a measure of how many seeds are alive and capable…

Q: A house plant that has been placed in the window will grow toward the source of light. Which option…

A: Auxin is that plant hormone that maintains the elongation of the plant. It also helps to promote the…

Q: Explain how auxin affects stem elongation.

A: Plant hormones are the signalling molecules that are produced within the plants in low…

Q: Mark all on the following list that must occur for auxin to promote gene expression. ARF proteins…

A: These are the questions related to plant physiology and their biochemical reactions which causes…

Q: Auxins can move vertically; but cannot move laterally in a plant. Select one: O True O False

A: Plant hormones are the molecules produced by the plants which help in the growth and development of…

Q: Indole is the precursor of Auxin

A: Indole-3-acetic acid is the main naturally occurring auxin. It is synthesized using tryptophan as a…

Q: A high auxin to cytokinin ratio provide shoot formation while a high cytokinin to auxin ratio…

A: Auxin is a plant hormone produced in the stem tip that promotes cell elongation. Cytokinins are a…

Q: Using purified auxin, How Place the auxin on the west side of the stem. Place the auxin on the east…

A: Auxin is a plant hormone that is produced in the stem, root tips, and bud. It promotes apical…

Q: Choose the best answer for following question Stems bend toward the sun a. auxin…

A: Plants also produce plant hormones that are involved in various physiological roles. The plant…

Q: Choose the best answer for following question Grapes can grow larger and exhibit stem elongation. a.…

A: Introduction : Plant hormones are essential signal molecules  produced by the plants that are…

Q: These plant cells are are distinctive for having thickened corners of the cells when examined as a…

A: Plant cells are eukaryotic cells. They have a true nucleus enclosed by a membrane and specialized…

Q: What do you mean by auxin?

A: Hormones are chemicals that act at site far away from its release. These are produced in small…

Q: Indole acetic acid is the synthetic auxin Select one: O True O False

A: Auxin is a plant promoting growth hormone which is synthesized in the tips of the stem used for the…

Q: List any four uses of auxins.

A: The auxins are the plant hormones. It plays an essential role in the development and growth of…

Q: Certain mutations in thale cress cause excess auxin production. Predict the impact of these…

A: Auxin is a plant hormone that plays an important role in the execution of actions in response to…

Q: Environmental factors that induce a response are called Select one: O a. tropisms. O b. stimuli. O…

A: Introduction :- Any abiotic or biotic component that effects living creatures is referred to as an…

Q: Identify the wrong match a.Senescence —Both auxin and ABA promote it b.Apical dominance — Auxin…

A: a.Senescence —Both auxin and ABA promote it b.Apical dominance — Auxin induces and Cytokinin…

Q: There are some auxin-based herbicides which were widely used. Name TWO (2) relevant herbicides and…

A: Auxins are a group of plant hormones. Two auxin based herbicides are: 2,4-Dichlorophenoxyacetic acid…

Q: Match the hormone with the observation. ___ ethylene                   a. Your cabbage plants form…

A: Introduction  Plant hormones are chemical compounds found in plants at extremely low concentrations.…

Q: Choose the best answer for following question Stomata close when a plant is water-stressed. a. auxin…

A: The pores on the surface of the leaves and other aerial parts of most of the plants is known as the…